Now showing items 1-15 of 15

    • A unified formulation for the computation of the six-degrees-of-freedom-motion-induced errors in floating Doppler wind LiDARs 

      Salcedo Bosch, Andreu; Farré Guarné, Joan; Silva, Marcos Paulo Aráujo da; Rocadenbosch Burillo, Francisco (Multidisciplinary Digital Publishing Institute (MDPI), 2023-03-07)
      Article
      Open Access
      This work presents an analytical formulation to assess the six-degrees-of-freedom-motion-induced error in floating Doppler wind LiDARs (FDWLs). The error products derive from the horizontal wind speed bias and apparent ...
    • Assessing Obukhov length and friction velocity from floating lidar observations: A data screening and sensitivity computation approach 

      Silva, Marcos Paulo Aráujo da; Rocadenbosch Burillo, Francisco; Farré Guarné, Joan; Salcedo Bosch, Andreu; González Marco, Daniel; Peña Diaz, Alfredo (Multidisciplinary Digital Publishing Institute (MDPI), 2022-03-14)
      Article
      Open Access
      This work presents a parametric-solver algorithm for estimating atmospheric stability and friction velocity from floating Doppler wind lidar (FDWL) observations close to the mast of IJmuiden in the North Sea. The focus of ...
    • Atmospheric boundary layer height disambiguation using synergistic remote sensing observations: case examples from VORTEX-SE 

      Rocadenbosch Burillo, Francisco; Tanamachi, Robin; Silva, Marcos Paulo Aráujo da; Villalonga, Joan; Frasier, Stephen J.; Turner, David Dave (International Society for Photo-Optical Instrumentation Engineers (SPIE), 2020)
      Conference report
      Open Access
      Synergistic remote sensing of the atmosphere, combined with adaptive techniques, offers unprecedented opportunities to characterise the evolution of key atmospheric features such as the Atmospheric Boundary Layer (ABL). ...
    • Atmospheric stability classification from floating Doppler wind lidar measurements: a machine learning approach 

      Salcedo Bosch, Andreu; Silva, Marcos Paulo Aráujo da; Rocadenbosch Burillo, Francisco (Institute of Electrical and Electronics Engineers (IEEE), 2023)
      Conference report
      Open Access
      This work studies the capabilities of the k-nearest-neighbours (KNN) method to estimate the atmospheric stability from floating Doppler wind lidar measurements of the vertical wind profile. A procedure to generate synthetic ...
    • Clouds’ microphysical properties and their relationship with lightning activity in northeast Brazil 

      Pereira de Abreu, Lizandro; Andrade Goncalves, Weber; Vieira Mattos, Enrique; Rodrigues Mutti, Pedro; Torres Rodrigues, Daniele; Silva, Marcos Paulo Aráujo da (Multidisciplinary Digital Publishing Institute (MDPI), 2021-11-01)
      Article
      Open Access
      The Northeast region of Brazil (NEB) has a high rate of deaths from lightning strikes (18% of the country’s total). The region has states, such as Piauí, with high mortality rates (1.8 deaths per million), much higher than ...
    • Convective boundary-layer height estimation from combined radar and Doppler lidar observations in VORTEX-SE 

      Villalonga, Joan; Beveridge, Susan L.; Silva, Marcos Paulo Aráujo da; Tanamachi, Robin; Rocadenbosch Burillo, Francisco; Turner, David Dave; Frasier, Stephen J. (International Society for Photo-Optical Instrumentation Engineers (SPIE), 2020)
      Conference report
      Open Access
      The Verification of the Origins of Rotation in Tornadoes Experiment Southeast (VORTEX-SE) provides a wealth of long-duration, high-resolution, vertically pointing observations from active and passive ground-based remote ...
    • Floating lidar assessment of atmospheric stability in the North Sea 

      Silva, Marcos Paulo Aráujo da; Rocadenbosch Burillo, Francisco; Farré Guarné, Joan; Salcedo Bosch, Andreu; González Marco, Daniel; Peña Diaz, Alfredo (Institute of Electrical and Electronics Engineers (IEEE), 2022)
      Conference report
      Open Access
      In this work, the 2D parametric-solver algorithm [1] used to assess atmospheric stability from floating Doppler wind lidar (FDWL) measurements is revisited. The algorithm performance is studied using data from IJmuiden ...
    • Motivating a synergistic mixing-layer height retrieval method using backscatter lidar returns and microwave-radiometer temperature observations 

      Silva, Marcos Paulo Aráujo da; Rocadenbosch Burillo, Francisco; Tanamachi, Robin; Saeed, Umar (Institute of Electrical and Electronics Engineers (IEEE), 2022-03-10)
      Article
      Open Access
      Mixing-Layer-Height (MLH) retrieval methods using backscattered lidar signals from a ceilometer (Jenoptik CHM-15k Nimbus) and temperature profiles from a Microwave Radiometer (MWR, HATPRO RPG) are compared in terms of their ...
    • Offshore Doppler Wind LiDAR assessment of atmospheric stability 

      Silva, Marcos Paulo Aráujo da; Salcedo Bosch, Andreu; Gutiérrez Antuñano, Miguel Ángel; Rocadenbosch Burillo, Francisco (Institute of Electrical and Electronics Engineers (IEEE), 2020)
      Conference report
      Open Access
      This paper tackles atmospheric stability typing using a Zephyr™ 300 offshore Doppler Wind Lidar in the context of its progressive acceptance in the offshore wind-energy industry. The lidar-retrieved wind-shear exponent, ...
    • On the retrieval of surface-layer parameters from lidar wind-profile measurements 

      Silva, Marcos Paulo Aráujo da; Salcedo Bosch, Andreu; Rocadenbosch Burillo, Francisco; Peña Diaz, Alfredo (Multidisciplinary Digital Publishing Institute (MDPI), 2023-05-19)
      Article
      Open Access
      We revisit two recent methodologies based on Monin–Obukhov Similarity Theory (MOST), the 2D method and Hybrid-Wind (HW), which are aimed at estimation of the Obukhov length, friction velocity and kinematic heat flux within ...
    • On the use of wind profiles to assess surface boundary-layer parameters 

      Silva, Marcos Paulo Aráujo da; Rocadenbosch Burillo, Francisco; Salcedo Bosch, Andreu; Peña Diaz, Alfredo (Institute of Electrical and Electronics Engineers (IEEE), 2023)
      Conference report
      Open Access
      Wind profiles measured at the research platform FINO1 are used to retrieve surface boundary-layer parameters, namely, the friction velocity, heat flux, and Obukhov length. The latter is used to assess atmospheric stability. ...
    • Remote sensing for atmospheric observation and wind energy: over-land boundary layer and off-shore atmospheric stability 

      Silva, Marcos Paulo Aráujo da (Universitat Politècnica de Catalunya, 2023-06-29)
      Doctoral thesis
      Open Access
      (English) Monitoring the atmospheric boundary layer (ABL) is a matter of interest for many applications, such as weather forecasting, pollutant-dispersion models and wind energy. The ABL is the most turbulent part of the ...
    • Retrieving Monin-Obukhov dimensionless wind shear and stability from floating lidar observations 

      Silva, Marcos Paulo Aráujo da; Rocadenbosch Burillo, Francisco; Salcedo Bosch, Andreu; Peña Diaz, Alfredo (Institute of Electrical and Electronics Engineers (IEEE), 2023)
      Conference report
      Open Access
      Floating-lidar-derived wind profiles are used to retrieve the vertical wind speed gradient, dimensionless wind shear, and dimensionless stability using Monin-Obukhov similarity theory (MOST) in the context of IJmuiden ...
    • Synergistic mixed-layer height retrieval method using microwave radiometer and lidar ceilometer observations 

      Silva, Marcos Paulo Aráujo da; Rocadenbosch Burillo, Francisco; Tanamachi, Robin; Saeed, Umar (Institute of Electrical and Electronics Engineers (IEEE), 2022)
      Conference report
      Open Access
      This paper tackles synergistic mixed-layer height (MLH) estimation via a combination of microwave radiometer (MWR) and lidar ceilometer (LC)-based estimates. While MLH-MWR estimates rely on potential temperature retrievals, ...
    • Variance processing for stable boundary-layer height estimation using backscatter lidar data: A discussion 

      Muñoz Porcar, Constantino; Silva, Marcos Paulo Aráujo da; Saeed, Umar; Rey Micolau, Francesc; Pay Pérez, M. Teresa; Rocadenbosch Burillo, Francisco (Institute of Electrical and Electronics Engineers (IEEE), 2021)
      Conference report
      Open Access
      In this paper we present a method for estimating the height of the nocturnal stable boundary layer by using lidar measurements and a single radiosonde for unambiguous initial guess. The method relies on the correlation ...